Home / 34,877.05-48,129.79-18,961.36

Finding the Fourth Proportional to 34,877.05, 48,129.79 and 18,961.36

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Solution

The fourth proportional to 34,877.05, 48,129.79 and 18,961.36 is: 26,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.05 : 48,129.79 = 18,961.36 : x
  2. Step 2: Convert to fraction form
    34,877.05/48,129.79 = 18,961.36/x
  3. Step 3: Cross multiply
    34,877.05x = 48,129.79 × 18,961.36
  4. Step 4: Simplify right side
    34,877.05x = 912,606,274.91
  5. Step 5: Solve for x
    x = 912,606,274.91/34,877.05
  6. Step 6: Final answer
    x = 26,166.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.